Lightly Lined Soft Cup Center belt lining: 100% nylon. Cups: 91% nylon, 9% spandex. Inner cup lining: 91% polyester, 9% spandex. Center belt, back: 89% nylon, 11% spandex. Exclusive of other trim and elastics. bras closure Lightly Lined Soft Cup Fiber Content: "Center belt lining: 100% nylon. Cups: 91% nylon, 9% spandex. Inner cup lining: 91% polyester, 9% spandex. Center belt, back: 89% nylon, 11% spandex. Exclusive of other trim and elastics." Country Of Origin: USA or Import